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Quiz 1 Yr 3.
suturing
| Question | Answer |
|---|---|
| A 35-year-old construction worker presents with a deep, irregular laceration on his forearm from a rusty nail. Given the risk of infection and tissue irregularity, which approach is most appropriate? | Delayed primary closure [3-7 days] after thorough debridement and use of interrupted absorbable suture |
| A 60-year-old patient on long-term corticosteroid therapy presents with a thin, fragile skin laceration on the leg. What suturing strategy would best minimize further tissue damage? Long term used of corticosteroids causes skin to become fragile, increasi | Employ interrupted sutures with small bites to reduce tension |
| A 28-year-old patient presents with a clean, well-approximated facial laceration. For an optimal cosmetic outcome, which suturing technique and suture material combination is recommended? | continuous running subcuticular suture, using a fine absorbable material- to minimize scarring, and also no need for removal, well approximated so it’s clean |
| In a case of a contaminated traumatic laceration on the hand, which knot-tying consideration is most crucial for ensuring that the closure remains secure despite potential tissue swelling [here tissue volume changes]? Swelling risk is high in contaminate | Use a surgeon’s knot with an extra throw for increased friction [reduces knot slipping, making it secure] |
| A patient with a scalp laceration presents for repair. Due to the curved surface of the head, which type of suture bite is most critical for achieving proper wound eversion and minimizing scarring? | A combination of deep and superficial bites (vertical mattress suture) |
| A 50-year-old patient presents with a dehiscing wound in a high-tension area after a previous closure. What suturing strategy might help reinforce the closure and prevent recurrence? | Add interrupted retention sutures in addition to the continuous closure |
| A 45-year-old patient has a laceration on the scalp with significant bleeding and tissue edema. What is the best approach to achieve rapid hemostasis and secure wound edges? | Apply interrupted sutures with a surgeon’s knot for added security |
| A patient sustains a laceration over the elbow—a joint subject to frequent movement. Which suturing method is most appropriate to accommodate joint mobility and reduce the risk of wound dehiscence? | Interrupted sutures- simple interrupted |
| During a procedure on a patient with a high-tension abdominal wound, which knot tying method is best to ensure that the suture does not slip under tension? | Surgeon’s knot |
| A 32-year-old patient with a deep laceration on the forearm undergoes repair. Post-operatively, there is concern about vascular compromise at the wound edges. Which suturing technique modification could help prevent ischemia while still ensuring proper wo | Taking wider tissue bites (5–10 mm) and using interrupted sutures with moderate tension |
| Which suture material is absorbable? | polyglycan 910 |
| How should tension be applied during suture knot tying to promote optimal wound healing? | With moderate tension to bring the wound edges together without strangulation. |
| What is the ideal bite size when suturing skin wounds to ensure proper edge approximation and minimal tissue trauma? | 5–10 mm |
| Which of the following best describes a square knot in surgical knot tying? | It is tied with two alternating half-hitches to secure the knot. |
| What is the recommended distance from the wound edge to the entry point of a suture for optimal healing? | 3–5 mm |
| What is the main purpose of using a surgeon’s knot over a simple square knot? | It provides extra friction to prevent knot slippage. |
| Which instrument is primarily used to hold the needle when placing sutures? | Needle holder |
| Which suturing technique is preferred for skin closure when aiming for minimal scarring? | Subcuticular sutures |
| What is a major disadvantage of using a continuous suturing technique for wound closure? | Failure of one segment may compromise the entire closure. |
| Why is the surgeon’s knot often preferred in surgical procedures involving tissue under tension? | It reduces the risk of knot slippage. |
| Toothed dissecting forceps are best used for: | More rigid tissues like skin, fascia, and muscle |
| Which statement best describes non-toothed dissecting forceps? | They often have serrated or grooved inner edges to minimize tissue damage |
| Jameson’s scissors differ from Metzenbaum scissors primarily in that: | They have thinner blades for deeper, more precise dissections |
| Metzenbaum scissors are most commonly used for: | Fine dissection of delicate tissues, often in organ-related procedures |
| Mayo scissors are characterized by | A short, “fat” blade design used near the surface and for cutting sutures |
| The simple interrupted suture technique is best described as: | Individual stitches are placed and tied separately |
| A key advantage of non-absorbable sutures is: | They can provide longer-term tissue support and can be removed if necessary |
| Absorbable suture materials are primarily broken down by: | Body processes such as hydrolysis or enzymatic degradation |
| Silk suture is best classified as | A non-absorbable braided suture |
| Monocryl-, Vicryl, and PDS-monofilament are examples of: | absorbable sutures [Monocryl, PDS - are monofilament] [vicryl- is a multifilament] but all are absorbable |
| Braided suture materials generally have: | Greater risk of harboring bacteria in the interstices |
| Toothed forceps would be contraindicated for: | Holding a blood vessel to apply a ligature [means to tie up]. it can puncture or tear the ligature of blood vessels, risking bleeding and blood vessel damage. |
| When using non-toothed forceps on a fragile structure such as a bowel: | excessive pressure can cause crush injury, it can generate pressure if squeezed too hard, risking crush injury to the ligated tissue. |
| Mayo scissors are often used for: | Cutting thick or heavy tissues near the surface |
| Prolene (polypropylene) is characterized by: | A monofilament, non-absorbable synthetic suture with low tissue reactivity |
| In a simple interrupted suture closure, each stitch: | Is individually placed and tied, allowing for the removal of one suture without disturbing the others |
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